We've deployed a system at a university using a stack of Postgres, Nginx and Django on (mandated) RHEL. The ITS department is now pressuring us to switch to Apache on order to benefit from regular (and for security updates, immediate) package updates. They argue that the security risks of running a service which we update less frequently are too high. We prefer to keep the stack the same at all deployments.
Is this a real concern, or are they just being paranoid?